P89C61X2B
P89C61X2BA
P89C61X2BA/00,512
P89C61X2BBD
P89C61X2BBD/00,557
P89C638MBP/B
P89C638MBP/B#
P89C660HBA/00,512
P89C660HBBD/00,557
P89C660HFA/00,512